Question: when is the {end time} for {Erik Erikson} who has {spouse} as {Joan Erikson} ?
Paraphrase: When did Erik Erikson separate from his spouse Joan Erikson?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q58074 p:P26 ?s . ?s ps:P26 wd:Q3179577 . ?s pq:P582 ?value}